EP1592069A3 - High voltage field-effect transistor and method of manufacture thereof - Google Patents
High voltage field-effect transistor and method of manufacture thereof Download PDFInfo
- Publication number
- EP1592069A3 EP1592069A3 EP05103346A EP05103346A EP1592069A3 EP 1592069 A3 EP1592069 A3 EP 1592069A3 EP 05103346 A EP05103346 A EP 05103346A EP 05103346 A EP05103346 A EP 05103346A EP 1592069 A3 EP1592069 A3 EP 1592069A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- transistor
- semiconductor substrate
- manufacture
- high voltage
- effect transistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 230000005669 field effect Effects 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000004065 semiconductor Substances 0.000 abstract 4
- 239000000758 substrate Substances 0.000 abstract 4
- 239000002019 doping agent Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/08—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/266—Bombardment with radiation with high-energy radiation producing ion implantation using masks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/06—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
- H01L27/0611—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region
- H01L27/0617—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type
- H01L27/0623—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type in combination with bipolar transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66659—Lateral single gate silicon transistors with asymmetry in the channel direction, e.g. lateral high-voltage MISFETs with drain offset region, extended drain MISFETs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7833—Field effect transistors with field effect produced by an insulated gate with lightly doped drain or source extension, e.g. LDD MOSFET's; DDD MOSFET's
- H01L29/7835—Field effect transistors with field effect produced by an insulated gate with lightly doped drain or source extension, e.g. LDD MOSFET's; DDD MOSFET's with asymmetrical source and drain regions, e.g. lateral high-voltage MISFETs with drain offset region, extended drain MISFETs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42384—Gate electrodes for field effect devices for field-effect transistors with insulated gate for thin film field effect transistors, e.g. characterised by the thickness or the shape of the insulator or the dimensions, the shape or the lay-out of the conductor
- H01L2029/42388—Gate electrodes for field effect devices for field-effect transistors with insulated gate for thin film field effect transistors, e.g. characterised by the thickness or the shape of the insulator or the dimensions, the shape or the lay-out of the conductor characterised by the shape of the insulating material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0603—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/0619—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE] with a supplementary region doped oppositely to or in rectifying contact with the semiconductor containing or contacting region, e.g. guard rings with PN or Schottky junction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0684—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
- H01L29/0692—Surface layout
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42364—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity
- H01L29/42368—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity the thickness being non-uniform
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US832009 | 2004-04-26 | ||
US10/832,009 US7498652B2 (en) | 2004-04-26 | 2004-04-26 | Non-uniformly doped high voltage drain-extended transistor and method of manufacture thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1592069A2 EP1592069A2 (en) | 2005-11-02 |
EP1592069A3 true EP1592069A3 (en) | 2008-04-23 |
Family
ID=34939492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05103346A Withdrawn EP1592069A3 (en) | 2004-04-26 | 2005-04-25 | High voltage field-effect transistor and method of manufacture thereof |
Country Status (3)
Country | Link |
---|---|
US (2) | US7498652B2 (en) |
EP (1) | EP1592069A3 (en) |
JP (1) | JP2005317967A (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005048000B4 (en) * | 2005-10-06 | 2015-03-05 | Austriamicrosystems Ag | Method for producing a transistor with reliable source doping |
JP5307973B2 (en) * | 2006-02-24 | 2013-10-02 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | Semiconductor device |
JP4989085B2 (en) * | 2006-02-24 | 2012-08-01 | オンセミコンダクター・トレーディング・リミテッド | Semiconductor device and manufacturing method thereof |
JP5420854B2 (en) * | 2008-04-28 | 2014-02-19 | パナソニック株式会社 | Semiconductor device and manufacturing method thereof |
JP4645861B2 (en) * | 2008-07-03 | 2011-03-09 | セイコーエプソン株式会社 | Manufacturing method of semiconductor device |
KR101578931B1 (en) * | 2008-12-05 | 2015-12-21 | 주식회사 동부하이텍 | Semiconductor device |
TWI503893B (en) * | 2008-12-30 | 2015-10-11 | Vanguard Int Semiconduct Corp | Semiconductor structure and fabrication method thereof |
US7915129B2 (en) * | 2009-04-22 | 2011-03-29 | Polar Semiconductor, Inc. | Method of fabricating high-voltage metal oxide semiconductor transistor devices |
US8598008B2 (en) * | 2010-10-20 | 2013-12-03 | Texas Instruments Incorporated | Stacked ESD clamp with reduced variation in clamp voltage |
US8890293B2 (en) * | 2011-12-16 | 2014-11-18 | Taiwan Semiconductor Manufacturing Company, Ltd. | Guard ring for through vias |
US8648417B1 (en) * | 2012-10-01 | 2014-02-11 | O2Micor, Inc. | LDMOS transistors with improved ESD capability |
WO2014144733A1 (en) * | 2013-03-15 | 2014-09-18 | Volterra Semiconductor Corporation | Voltage regulators with multiple transistors |
US9123642B1 (en) | 2013-07-22 | 2015-09-01 | Cypress Semiconductor Corporation | Method of forming drain extended MOS transistors for high voltage circuits |
US9647065B2 (en) * | 2013-10-17 | 2017-05-09 | Taiwan Semiconductor Manufacturing Company, Ltd. | Bipolar transistor structure having split collector region and method of making the same |
US9252148B2 (en) | 2014-01-22 | 2016-02-02 | Micron Technology, Inc. | Methods and apparatuses with vertical strings of memory cells and support circuitry |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0267768A1 (en) * | 1986-11-10 | 1988-05-18 | SILICONIX Incorporated | High voltage drifted-drain MOS transistor |
US5498892A (en) * | 1993-09-29 | 1996-03-12 | Ncr Corporation | Lightly doped drain ballast resistor |
US6111291A (en) * | 1998-06-26 | 2000-08-29 | Elmos Semiconductor Ag | MOS transistor with high voltage sustaining capability |
US6153916A (en) * | 1995-10-02 | 2000-11-28 | El Mos Elektronik In Mos-Technologie Gmbh | MOS transistor with high output voltage endurance |
EP1191577A1 (en) * | 2000-09-21 | 2002-03-27 | Texas Instruments Inc. | MOSFET transistor |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
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US5719421A (en) | 1994-10-13 | 1998-02-17 | Texas Instruments Incorporated | DMOS transistor with low on-resistance and method of fabrication |
US5911694A (en) * | 1996-08-22 | 1999-06-15 | Olympus Optical Co., Ltd. | Endoceliac physical quantity measuring apparatus having excellent measuring resolution |
US6800903B2 (en) * | 1996-11-05 | 2004-10-05 | Power Integrations, Inc. | High-voltage transistor with multi-layer conduction region |
US6140683A (en) | 1997-05-08 | 2000-10-31 | Texas Instruments Incorporated | Efficient NPN turn-on in a high voltage DENMOS transistor for ESD protection |
US6424005B1 (en) | 1998-12-03 | 2002-07-23 | Texas Instruments Incorporated | LDMOS power device with oversized dwell |
US6303508B1 (en) * | 1999-12-16 | 2001-10-16 | Philips Electronics North America Corporation | Superior silicon carbide integrated circuits and method of fabricating |
US6448625B1 (en) * | 2001-03-16 | 2002-09-10 | Semiconductor Components Industries Llc | High voltage metal oxide device with enhanced well region |
US6911694B2 (en) * | 2001-06-27 | 2005-06-28 | Ricoh Company, Ltd. | Semiconductor device and method for fabricating such device |
US6475870B1 (en) * | 2001-07-23 | 2002-11-05 | Taiwan Semiconductor Manufacturing Company | P-type LDMOS device with buried layer to solve punch-through problems and process for its manufacture |
US6492679B1 (en) * | 2001-08-03 | 2002-12-10 | Semiconductor Components Industries Llc | Method for manufacturing a high voltage MOSFET device with reduced on-resistance |
JP2003197908A (en) * | 2001-09-12 | 2003-07-11 | Seiko Instruments Inc | Semiconductor element and its fabricating method |
JP4277496B2 (en) * | 2001-11-21 | 2009-06-10 | 富士電機デバイステクノロジー株式会社 | Semiconductor device |
US6734493B2 (en) * | 2002-02-08 | 2004-05-11 | Taiwan Semiconductor Manufacturing Co., Ltd. | Lateral double diffused metal oxide semiconductor (LDMOS) device with aligned buried layer isolation layer |
US6624487B1 (en) | 2002-05-07 | 2003-09-23 | Texas Instruments Incorporated | Drain-extended MOS ESD protection structure |
JP4228586B2 (en) * | 2002-05-21 | 2009-02-25 | 富士電機デバイステクノロジー株式会社 | Semiconductor device |
US6670685B2 (en) | 2002-05-24 | 2003-12-30 | Texas Instruments Incorporated | Method of manufacturing and structure of semiconductor device with floating ring structure |
US7719054B2 (en) * | 2006-05-31 | 2010-05-18 | Advanced Analogic Technologies, Inc. | High-voltage lateral DMOS device |
DE10255116B4 (en) * | 2002-11-26 | 2015-04-02 | Infineon Technologies Ag | LDMOS transistor and method for its production |
US20040108544A1 (en) * | 2002-12-09 | 2004-06-10 | Semiconductor Components Industries, Llc | High voltage mosfet with laterally varying drain doping and method |
US7019377B2 (en) * | 2002-12-17 | 2006-03-28 | Micrel, Inc. | Integrated circuit including high voltage devices and low voltage devices |
KR100489802B1 (en) * | 2002-12-18 | 2005-05-16 | 한국전자통신연구원 | Structure of high voltage device and low voltage device, and method of manufacturing the same |
KR100948139B1 (en) * | 2003-04-09 | 2010-03-18 | 페어차일드코리아반도체 주식회사 | Lateral double-diffused MOS transistor having multi current paths for high breakdown voltage and low on-resistance |
US6930005B2 (en) * | 2003-12-02 | 2005-08-16 | Texas Instruments Incorporated | Low cost fabrication method for high voltage, high drain current MOS transistor |
US6995428B2 (en) * | 2004-02-24 | 2006-02-07 | System General Corp. | High voltage LDMOS transistor having an isolated structure |
-
2004
- 2004-04-26 US US10/832,009 patent/US7498652B2/en not_active Expired - Lifetime
-
2005
- 2005-04-25 EP EP05103346A patent/EP1592069A3/en not_active Withdrawn
- 2005-04-26 JP JP2005127967A patent/JP2005317967A/en not_active Abandoned
-
2009
- 2009-01-22 US US12/357,653 patent/US7618870B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0267768A1 (en) * | 1986-11-10 | 1988-05-18 | SILICONIX Incorporated | High voltage drifted-drain MOS transistor |
US5498892A (en) * | 1993-09-29 | 1996-03-12 | Ncr Corporation | Lightly doped drain ballast resistor |
US6153916A (en) * | 1995-10-02 | 2000-11-28 | El Mos Elektronik In Mos-Technologie Gmbh | MOS transistor with high output voltage endurance |
US6111291A (en) * | 1998-06-26 | 2000-08-29 | Elmos Semiconductor Ag | MOS transistor with high voltage sustaining capability |
EP1191577A1 (en) * | 2000-09-21 | 2002-03-27 | Texas Instruments Inc. | MOSFET transistor |
Also Published As
Publication number | Publication date |
---|---|
JP2005317967A (en) | 2005-11-10 |
EP1592069A2 (en) | 2005-11-02 |
US20050253217A1 (en) | 2005-11-17 |
US7618870B2 (en) | 2009-11-17 |
US7498652B2 (en) | 2009-03-03 |
US20090124068A1 (en) | 2009-05-14 |
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